Multiple choice

If 9 articles are sold at the cost price of 10 articles, what is the profit percentage?

  1. 11.11%

  2. 10%

  3. 12.11%

  4. 20%

  5. 22.22%
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A Correct answer
Explanation

Selling 9 articles at the cost price of 10 means 9*SP = 10*CP, so SP = 10/9 * CP. Profit = SP - CP = 1/9 * CP. Profit percentage = (1/9) * 100 = 11.11%.

AI explanation

Let the cost price of one article be Re. 1. The cost price of 10 articles is Rs. 10, which equals the selling price of 9 articles. The selling price of one article is 10/9. The profit per article is 10/9 minus 1, which equals 1/9. The profit percentage is calculated as (1/9) multiplied by 100, resulting in 11.11%.

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